what other animals show biluminescence apart from ctenophora
Bioluminescence has been found in microorganisms, marine vertebrates, invertebrates as well as terrestrial animals and some Symbiotic organisms carried within larger organisms.
Every organism's bioluminescence is unique in wavelength, duration, timing, and regularity of flashes.
Apart from Ctenophores, microorganisms including dinoflagellates, marine bacteria, some species of mushrooms, arthropods like fireflies, glow worms, terrestrial and marine molluscs, certain annelids, fishes like Angler fish and viperfish etc. are bioluminescent organisms.